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Finding the Fourth Proportional to 303,037.77, 454,556.65 and 287,884.70

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Solution

The fourth proportional to 303,037.77, 454,556.65 and 287,884.70 is: 431,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,037.77 : 454,556.65 = 287,884.70 : x
  2. Step 2: Convert to fraction form
    303,037.77/454,556.65 = 287,884.70/x
  3. Step 3: Cross multiply
    303,037.77x = 454,556.65 × 287,884.70
  4. Step 4: Simplify right side
    303,037.77x = 130,859,901,106.05
  5. Step 5: Solve for x
    x = 130,859,901,106.05/303,037.77
  6. Step 6: Final answer
    x = 431,827.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.